Files
FlaxEngine/Source/Editor/Tools/Foliage/Undo/DeleteInstanceAction.cs

70 lines
1.9 KiB
C#

// Copyright (c) Wojciech Figat. All rights reserved.
using System;
using FlaxEngine;
namespace FlaxEditor.Tools.Foliage.Undo
{
/// <summary>
/// The foliage instance delete action that can restore it.
/// </summary>
/// <seealso cref="FlaxEditor.IUndoAction" />
[Serializable]
sealed class DeleteInstanceAction : IUndoAction
{
[Serialize]
private readonly Guid _foliageId;
[Serialize]
private int _index;
[Serialize]
private FoliageInstance _instance;
/// <summary>
/// Initializes a new instance of the <see cref="DeleteInstanceAction"/> class.
/// </summary>
/// <param name="foliage">The foliage.</param>
/// <param name="index">The instance index.</param>
public DeleteInstanceAction(FlaxEngine.Foliage foliage, int index)
{
_foliageId = foliage.ID;
_index = index;
}
/// <inheritdoc />
public string ActionString => "Delete foliage instance";
/// <inheritdoc />
public void Do()
{
var foliageId = _foliageId;
var foliage = FlaxEngine.Object.Find<FlaxEngine.Foliage>(ref foliageId);
_instance = foliage.GetInstance(_index);
foliage.RemoveInstance(_index);
foliage.RebuildClusters();
Editor.Instance.Scene.MarkSceneEdited(foliage.Scene);
}
/// <inheritdoc />
public void Undo()
{
var foliageId = _foliageId;
var foliage = FlaxEngine.Object.Find<FlaxEngine.Foliage>(ref foliageId);
_index = foliage.InstancesCount;
foliage.AddInstance(_instance);
foliage.RebuildClusters();
Editor.Instance.Scene.MarkSceneEdited(foliage.Scene);
}
/// <inheritdoc />
public void Dispose()
{
}
}
}